CN217080315U - Flushing head for hydraulic rock drill - Google Patents
Flushing head for hydraulic rock drill Download PDFInfo
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- CN217080315U CN217080315U CN202220732046.2U CN202220732046U CN217080315U CN 217080315 U CN217080315 U CN 217080315U CN 202220732046 U CN202220732046 U CN 202220732046U CN 217080315 U CN217080315 U CN 217080315U
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- rock drill
- water injection
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Abstract
The utility model belongs to the technical field of hydraulic rock drill, a hydraulic rock drill is with washing head is disclosed, including the washing head main part, be provided with the surface seal subassembly on the surface of washing head main part, water injection chamber and drainage chamber have been seted up to the inside of washing head main part, install the inside seal subassembly that is used for sealed water injection chamber and drainage chamber in the washing head main part, the utility model has the advantages of simple overall structure, convenient to use, sealed effectual can prevent sealed premature failure to sealed damage back, can in time discover and handle.
Description
Technical Field
The utility model belongs to the technical field of hydraulic rock drill, specific theory relates to a hydraulic rock drill is with washing head.
Background
The existing mining uses tunneling as a main part, blasting is mainly carried out through punching out blast holes, the mining speed of the hydraulic rock drill is high, the structure is simple, the efficiency is high, the hydraulic rock drill is suitable for punching on various working faces, flushing heads are installed in the existing hydraulic rock drill, the flushing heads can help the hydraulic rock drill to quickly flush out gravel in the blast holes when the hydraulic rock drill punches, and the punching efficiency is improved.
The overall structure of current hydraulic rock drill flushing head is as shown in figure 1, and this kind of current hydraulic rock drill flushing head is sealed poor in effect, and the both ends of flushing head all adopt one sealed, and when the washing water flowed through the flushing head, along with the lapse of time, sealed department damaged easily, and then sealed easy inefficacy, sealed back that became invalid this moment, the water in the flushing head can pass sealed department and get into the inside of strikeing the structure, and then causes the hydraulic oil emulsification easily, and then damages the rock drill.
And the seal of the washing head of the existing hydraulic rock drill is installed in the hydraulic rock drill, so that the sealing failure is not easy to find, and the damage to the whole hydraulic rock drill is easy to cause.
SUMMERY OF THE UTILITY MODEL
The to-be-solved main technical problem of the utility model is to provide a simple structure, convenient to use, it is sealed effectual, can prevent sealed premature failure to the hydraulic pressure rock drill that can in time discover behind the sealed damage is with washing head.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a hydraulic pressure rock drill is with washing head, includes the washing head main part, is provided with the surface seal subassembly on the surface of washing head main part, and water injection chamber and drainage chamber have been seted up to the inside of washing head main part, installs the inside seal subassembly that is used for sealed water injection chamber and drainage chamber in the washing head main part.
The following is the utility model discloses to above-mentioned technical scheme's further optimization:
and a water injection hole is formed in the position, close to the water injection cavity, on the outer surface of the washing head main body, and the water injection hole is communicated with the water injection cavity.
Further optimization: an annular groove is formed in the position, close to the drainage cavity, on the outer surface of the washing head main body, a plurality of drainage holes are formed in the annular groove, and the inner ends of the drainage holes are communicated with the drainage cavity.
Further optimization: the outer surface sealing assembly comprises a plurality of sealing groove assemblies arranged on the outer surface of the flushing head main body, and sealing rings are arranged in the sealing groove assemblies.
Further optimization: the internal seal assembly comprises a first sealing element, a second sealing element and a third sealing element, wherein the first sealing element and the second sealing element are matched for sealing the water injection cavity, and the second sealing element and the third sealing element are matched for sealing the water drainage cavity.
Further optimization: the flushing head main body is fixedly installed in a machine head of the hydraulic rock drill, a warning hole is formed in the position, close to the annular groove, of the machine head, and the warning hole is communicated with the annular groove.
Further optimization: the middle part of the flushing head main body is provided with a drill shank, and the inner surfaces of the first sealing element, the second sealing element and the third sealing element are tightly connected with the outer surface of the drill shank to realize sealing.
The above technical scheme is adopted in the utility model, think about ingenious, rational in infrastructure, solved the problem that the sealed effect that current hydraulic rock drill washing head exists is poor, seal time is short, sealed inefficacy is difficult for discovering and causes the complete machine to damage easily.
The utility model discloses a first sealing member, second sealing member and third sealing member can strengthen sealed effect, prevent that water from leaking, and add between second sealing member and the third sealing member and established drainage chamber and wash port, can damage the back sparge water at the second sealing member and get into to the drainage intracavity, and through the wash port, annular groove and warning hole flow, can the very first time discover sealed damage, discover sealed problem of revealing, avoid long-time wearing and tearing back water to pass sealed entering impact structure, cause the hydraulic oil emulsification, and then damage the rock drill.
The present invention will be further explained with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic view of a flushing head of the prior art;
fig. 2 is a schematic diagram of the overall structure of the embodiment of the present invention;
fig. 3 is a schematic structural view of a rinsing head main body according to an embodiment of the present invention.
In the figure: 1-machine head; 11-warning hole; 2-a rinsing head body; 21-a first seal; 22-water injection hole; 23-a second seal; 24-a drain hole; 25-a third seal; 26-water injection cavity; 27-a first seal groove; 271-a second seal groove; 28-a drainage cavity; 29-an annular groove; 3-drill rod end; 31-water outlet.
Detailed Description
Example (b): as shown in fig. 2 to 3, the flushing head for the hydraulic rock drill comprises a flushing head main body 2, an outer surface sealing assembly is arranged on the outer surface of the flushing head main body 2, a water injection cavity 26 and a water drainage cavity 28 are formed in the flushing head main body 2, and an inner sealing assembly for sealing the water injection cavity 26 and the water drainage cavity 28 is installed in the flushing head main body 2.
The position of the outer surface of the washing head main body 2 close to the water injection cavity 26 is provided with a water injection hole 22, and the water injection hole 22 is communicated with the water injection cavity 26.
An annular groove 29 is formed in the position, close to the drainage cavity 28, on the outer surface of the washing head main body 2, a plurality of drainage holes 24 are formed in the annular groove 29, and the inner ends of the drainage holes 24 are communicated with the drainage cavity 28.
In the present embodiment, the plurality of drain holes 24 are radially arranged along the axis of the flushing head body 2.
By this arrangement, the drain chamber 28 can be communicated with the annular groove 29 through the drain hole 24, and water in the drain chamber 28 can enter the annular groove 29 through the drain hole 24.
The outer surface sealing assembly comprises a plurality of sealing groove assemblies provided on the outer surface of the rinsing head body 2.
The seal groove assembly includes a first seal groove 27 and a second seal groove 271, the first seal groove 27 being opened on the outer surface of the rinse head body 2 and located on both sides of the annular groove 29.
The second seal groove 271 is opened on the outer surface of the rinse head body 2 at an end remote from the first seal groove 27.
Seal rings are mounted in the first seal groove 27 and the second seal groove 271, respectively.
By such a design, the outer surface of the washer head body 2 can be sealed by the seal rings in the first seal groove 27 and the second seal groove 271, thereby preventing water leakage.
And can seal the both sides of annular groove 29 through two first seal grooves 27, avoid the water in the annular groove 29 here to reveal, improve sealed effect.
The side of the water injection chamber 26 remote from the water discharge chamber 28 penetrates the end face of the rinsing head body 2.
The water injection chamber 26 and the water discharge chamber 28 communicate with each other.
A central hole is arranged on one side of the drainage cavity 28 far away from the water injection cavity 26 and penetrates through the other end face of the flushing head main body 2.
The internal seal assembly includes a first seal 21, a second seal 23 and a third seal 25, the first seal 21 and the second seal 23 cooperating to seal the water injection chamber 26, the second seal 23 and the third seal 25 cooperating to seal the water discharge chamber 28.
A first annular mounting groove is formed in the inner surface of the water injection cavity 26 at a position away from the water discharge cavity 28, and the first sealing member 21 is mounted in the first annular mounting groove.
A second annular mounting groove is formed on the inner surface of the water injection cavity 26 at a position close to the water discharge cavity 28, and the second sealing member 23 is mounted in the second annular mounting groove.
A third annular mounting groove is formed in the inner surface of the drain cavity 28 at a position away from the water injection cavity 26, and the third sealing element 25 is mounted in the third annular mounting groove.
By this design, the first sealing member 21 and the second sealing member 23 are respectively installed at both sides of the water injection cavity 26, and are further used for sealing the water injection cavity 26 by the cooperation of the first sealing member 21 and the second sealing member 23.
The second and third sealing members 23 and 25 are installed at both sides of the drain chamber 28, respectively, and are engaged by the second and third sealing members 23 and 25 for sealing the drain chamber 28.
The flushing head main body 2 is fixedly installed in a machine head 1 of the hydraulic rock drilling machine, and sealing rings in a first sealing groove 27 and a second sealing groove 271 are tightly connected with the inner surface of an installation cavity of the machine head 1 to realize sealing.
The middle part of the flushing head main body 2 is provided with a drill bit shank 3, and the inner surfaces of the first sealing element 21, the second sealing element 23 and the third sealing element 25 are tightly connected with the outer surface of the drill bit shank 3 to realize sealing.
The middle part of bore bit 3 has seted up apopore 31, and the front end portion of bore bit 3 is run through to the outer end of apopore 31, and the inner of apopore 31 communicates with water injection chamber 26.
The position, close to the annular groove 29, on the machine head 1 is provided with a warning hole 11, and the warning hole 11 is communicated with the annular groove 29.
By the design, water in the annular groove 29 can be discharged through the warning hole 11, and the use is convenient.
When in use, sealing rings are arranged in the first sealing groove 27 and the second sealing groove 271 of the flushing head main body 2, and the sealing rings are matched with the machine head 1, so that water entering the machine head 1 can be prevented from leaking into the hydraulic rock drill.
The sparge water gets into from aircraft nose 1, flows through water injection hole 22 and enters into water injection chamber 26, and the water in the water injection chamber 26 this moment can get into in apopore 31 to discharge through apopore 31, help hydraulic rock drill wash out the grit in the big gun hole fast when punching.
Through the cooperation of first sealing member 21 and second sealing member 23 and bore bit 3, seal water injection chamber 26, and then realize sealing the water in water injection chamber 26, prevent to leak.
When the second sealing element 23 is damaged, water in the water injection cavity 26 enters the water discharge cavity 28, at the moment, the water in the water discharge cavity 28 is discharged into the annular groove 29 through the water injection hole 22, and the sealing rings in the first sealing grooves 27 on two sides of the annular groove 29 seal the water; water in the annular groove 29 is prevented from leaking to the inside of the head 1.
Then the water in the annular groove 29 flows out through the warning hole 11, and the manipulator can observe the leakage condition in the first time, so that the manipulator is prompted to damage the seal of the flushing head.
The third seal 25 may continue to seal after the second seal 23 is damaged, preventing water from entering the impact structure and causing emulsification of the hydraulic oil, which may damage the rock drill.
For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.
Claims (7)
1. A hydraulic pressure is flushing head for rock drill, includes flushing head main part (2), its characterized in that: an outer surface sealing assembly is arranged on the outer surface of the washing head main body (2), a water injection cavity (26) and a water drainage cavity (28) are formed in the washing head main body (2), and an inner sealing assembly used for sealing the water injection cavity (26) and the water drainage cavity (28) is installed in the washing head main body (2).
2. A flushing head for a hydraulic rock drill according to claim 1, characterized in that: a water injection hole (22) is formed in the position, close to the water injection cavity (26), on the outer surface of the washing head main body (2), and the water injection hole (22) is communicated with the water injection cavity (26).
3. A flushing head for a hydraulic rock drill according to claim 2, characterized in that: an annular groove (29) is formed in the position, close to the drainage cavity (28), on the outer surface of the flushing head main body (2), a plurality of drainage holes (24) are formed in the annular groove (29), and the inner ends of the drainage holes (24) are communicated with the drainage cavity (28).
4. A flushing head for a hydraulic rock drill according to claim 3, characterized in that: the outer surface sealing assembly comprises a plurality of sealing groove assemblies arranged on the outer surface of the flushing head main body (2), and sealing rings are installed in the sealing groove assemblies.
5. A flushing head for a hydraulic rock drill according to claim 4, characterized in that: the internal sealing assembly comprises a first sealing element (21), a second sealing element (23) and a third sealing element (25), wherein the first sealing element (21) and the second sealing element (23) are matched for sealing the water injection cavity (26), and the second sealing element (23) and the third sealing element (25) are matched for sealing the water drainage cavity (28).
6. A flushing head for a hydraulic rock drill according to claim 5, characterized in that: the flushing head main body (2) is fixedly installed in a machine head (1) of the hydraulic rock drill, a warning hole (11) is formed in the position, close to the annular groove (29), of the machine head (1), and the warning hole (11) is communicated with the annular groove (29).
7. A flushing head for a hydraulic rock drill according to claim 6, characterized in that: the middle part of the flushing head main body (2) is provided with a drill shank (3), and the inner surfaces of the first sealing element (21), the second sealing element (23) and the third sealing element (25) are tightly connected with the outer surface of the drill shank (3) to realize sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220732046.2U CN217080315U (en) | 2022-03-31 | 2022-03-31 | Flushing head for hydraulic rock drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220732046.2U CN217080315U (en) | 2022-03-31 | 2022-03-31 | Flushing head for hydraulic rock drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217080315U true CN217080315U (en) | 2022-07-29 |
Family
ID=82554030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220732046.2U Active CN217080315U (en) | 2022-03-31 | 2022-03-31 | Flushing head for hydraulic rock drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217080315U (en) |
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2022
- 2022-03-31 CN CN202220732046.2U patent/CN217080315U/en active Active
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